Lamp fixture



Oct. 9, 1928. 1,686,663

J. T. HOLMES LAMP FIXTURE Filed Deg. 3O 1926 I av I I INVENTOR WITNESS kf/mlzlf 7.7/04 5 a BY I I I! v TORNEYS Patented o 9, 1928.-

UNITED, STATES 1,686,663 PATENT OFFICE.

JAMES '1'. HOLMES, OF JAMAICA, NEW YORK, ASSIGNOR TO THE FRINK COMPANY, ING.,- OF NEW YORK, N. Y., A CORPORATION OF NEW YORK.

LAMP FIXTURE.

Application filed December 30, i926. Serial 1%. 157,982.

This invention relates to lamp fixtures and has for its primary object to provide lamp fixtures of improved construction and an improved arrangement of parts in lamp fixtures whereby a more perfect diffusion of light rays may be secured.

One of the objects of the present invention is to provide an improved construction for lamp fixtures by means of which undesirable shadows can be avoided and a more perfect illumination produced. 6 1

Another object of invention is to provide an improved adjustable relation between a lamp'housing provided with translucent side receptacles for mounting lamps of different powers in variable relation thereto, and a lamp reflector. apertured to throw reflected rays of light upon one of said ehd walls and with an opening permitting the play of direct rays of light upon the other of said end walls.

' Other and more specific objects of invention will appear in the specification'and, be pointed out in the appended claims reference being bad to the accompanyingdrawings which exemplify my invention in a preferred embodiment and in which,

Figure l is a combined vertical section and side elevation of a lantern constructed in accordance with the principles of my invention, parts being broken away.

Figure 2 is an enlarged vertical section of the telescopic lamp-receptacle support, parts being broken away.

Figure 3 is an enlarged horizontal section corresponding to the line 33 of Figure 1.

- Referring more particularly to the drawings, the conventionall constructed lantern shown therein exemplifies my invention in a preferred embodiment. According to this embodiment of my invention, the housing frame proper comprises upper and lower polygonal frames 1 and 2 connected together by vertical members 3. Mounted in the upper polygonal frame 1 and supported thereby around its perimetral edge, is a translucent plate 4 which is provided with ,-a central opening 5 through which depends a lamp-receptacleysupport to be presently referred to. Mounted in the lower polygonal frame 2 is a translucent plate or panel 6, while within the lateral framed openings of the housing frame are mounted transand oppositely-arranged end walls, lamplucent panels 7 which may be of any desired size or form consistent with the utilitarian or ornament effects desired.

Secured to the upper polygonal frame 1 and radially-arranged with respect to the.

vertical axis of the lantern housing, are a plurality of supporting members 8 which are connected together at their upperends and provided with a suspension ring 9. Depending from the ring 9 is a centrally-arranged telescopic lamp-receptacle support which comprises an upper tubular member 10 of smaller diameter and a lower tubular member 11 of larger diameter. As shown inFigure 2, the upper and inner tubular member is adjustably secured to the lower and outer tubular member by set screws 12 and 13 threaded into said tubular members respectively and slidably engaging the edges of slots 14 and 15 formed in said tubular members. It will be understood from this descriptionthat by loosening screws 12 and 13 from clamping engagement with said tubular members respectively, the lamp-receptacle may be raised, and lowered for the purpose of bringing a larger or smaller lamp in desired relation to the reflector and translucent panels.

Secured to the lower end of the lower telescopic member 11 is a lamp-receptacle 16 which is adapted by its adjustable support to position any one of a plurality of lamps of different sizes. Lamp-receptacle 16 carries a lamp 17 which is thus arranged between the upper and lower light panels 4: and 6. Suitably arranged with respect to lamp 17 and with its aperture presented toward the lower light panel 6 is a reflector comprising light-reflecting panels 18 mounted within a small metal housing 19, said housing being provided with tongues 20 which extend around and grip the adjacently disposed edges of reflecting panels 18. As seen in Figure ,1, the metal housing 19 is provided with a central opening at the top surmounted by a" erimetral cap 21. Embracing the corners of housing 19 around its lower edge are a plurality of angle plates 22, each of said angular plates being provided with air outwardly-presented lug 23 the reflector may be adjusted vertically by means of nuts 25 disposed above and below the lug-23. Each of the brackets24 may be mounted on the inner wall of one of the vertical supports by means of bands or straps 26.

1 From an inspection of Figure -1of the drawings, it will be seen that the side walls of the lantern depend below the bottom panel or luminous plate 6, the purpose of this construction being to conceal the brilliantly illuminated panel 6 from the'eye of an observer normally viewing the lantern from a distance. Inthis connection, it may be noted that the arrangement of the lightsource with respect to the illuminated panel the direct line of sight, the illuminated panel only being visible against the inner walls of,

6 and the relation which the depending .sides of the lantern bear to said panel and light-source with res ect to such an observer are such .thatt e lamp is not within the lantern as a background. To the eye of an observer, therefore, saidpanel would be seen at a lower brightness than would be the case were it possible for saidobserver to look 'directly toward the lamp as would be the case were thereno extension shield depending below said panel. In carrying out this objective, I preferably employ the following construction:

Hinged to the upper or main housing frame upon an axis 27 which preferably lies substantially within the plane of the lower panel 6, is a framed extension or apron 28 rovided with translucent panels 29. A reeasable catch 30 opposite to said hinge 27 I permits the extension frame or apron to swing downwardly when desired and thus permits more ready access to the main body ofthe lantern from below.

For convenience in description, I have confied the explanation of myinvention more especially to the specific embodiment shown on the drawings. According to this embodiment, prime consideration has been given to the provisipn of effective illumination without the accompaniment of undesirable shadows. For this purpose, the use of translucent panels in their relations to the source of light and means for distributing the light rays emanating therefrom, has been found to give excellent results. In the particular embodiment of my invention shows on the drawings, the main portion of the light flux combining direct and reflected rays, 1s thrown on to the bottom translucent panel b5 which the light rays are diffused or pro ucing the major illuminating effects. On the other hand, the upper translucent panel serves to diffuse the direct rays of light which pass upwardly from the light source through the top opening in the reflector and thus provide a soft illumination above the lantern which is free of shadows.

At the same time, no direct rays of light arranged within said housing, a plurality of overhead supports connected together at their upper ends and at their lower ends to the outer edge of the top of said housing, a lamp-support depending from the upper connected ends of said overhead supports thru the central opening in said annular translucent plate, and a reflector for said lamp provided with an aperture presented downwardly away from said annular plate and with an opening around said lamp support, said opening being arranged to permit the passage of direct light rays from said lamp tosaid annular plate.

2. In a lamp-fixture, the combination with a housing provided with an annular trans lucent plate in the top wall thereof and a translucent panel in the bottom wall thereof, of a lamp in said housing,a reflector for said lamp, said reflector being provided Withan aperture presented. towards the translucent panel in the bottom .wall of said housing and with an opening to permit the passage of direct rays of light from said lamp to the translucent plate in the top wall of said housing, and a depending support for said lamp extending downwardly thru the central opening in said annular translucent plate, said lamp-support comprising telescopically-connected sections for permitting an adjustment of said lamp with respect to said top and bottom walls of said housing.

r 3. In a lamp-fixture the combination with a housing provided with two oppositelyarranged translucent plates and athird translucent plate arranged transversely 'with a translucent panel depending from and extending around the outer edge of the translll) llh

lucent panel in said bottom wall, of a reflec tor arranged within said housing, said reflector being provided with an aperture presented towards the translucent panel in said bottom wall of the housing and anopening towards the translucent panel in said top wall of the housing, and a lamp suitably arranged within said reflector, said housing being provided with overhead supports secured thereto around the outer edge of the top wall and extendiiaig radially inward with respech, to the verti axis of said housing.

Ina lighting-fixture, the combination with a housing provided with light-transmitting top and bottom walls, of a lamp,

arranged within said housing and between said top and bottom light-transmitting walls,

a reflector for said lamp having an aperture presented toward the bottom light-transmitting wall, and a'translucent cape depend- I ing from said housing around said lighttransmitting bottom wall.

6111i a lighting fixture, the combination] with a housing provided with translucent panels in oppositely-arranged end walls thereof, of a light-source arranged within,

with a vertically arranged housing provided with a translucent panel in theflower end thereof, a lamp adjustable towards and away from said translucent panel, a reflector for said lamp adjustable towards and away from said translucent panel, and a translucent cape depending from said housing below said translucent panel. H

8. In a lighting fixture, the combination with a vertically arranged housing, of translucent panels mounted. in the upper and lower ends of said housing, the upper trans lucent panel being provided with a central opening, a lamp-support depending thru said panel opening, a lamp mounted in said lamp-support between said translucent panels, and a reflector for said lamp, said reflector having an aperture presented toward the translucent panel in r the bottom end of said housing and an opening in its reflecting wall between said lamp and the translucent panel in the upper end of said housing, a translucent cape depending from the bottom end of said housing and extending around the translucent panel therein, and a side wall translucent panel extending between said translucent panels in the upper and lower ends of said housing.

JAMES f1. HOLMES. 

